25801244

素因数分解:

$2^2\times 7^2\times {\mathrm{131639}}^1$

素因数の和:131657

約数の個数: 18

約数和(自身を含む): 52524360

約数和(自身を除く): 26723116

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 131639, 263278, 526556, 921473, 1842946, 3685892, 6450311, 12900622, 25801244]

約数ペア:

[(1, 25801244), (2, 12900622), (4, 6450311), (7, 3685892), (14, 1842946), (28, 921473), (49, 526556), (98, 263278), (196, 131639)]